On September 30, the Drying Department of Green Tea, Inc. had work-in-Process Inventory that was 30% complete for materials and 21% complete for conversion costs. This means that for the ending Work-in-Process inventory, % of materials and % of the conversion costs were added during September. O A. 21;30 O B. 70; 79 C. 79:70 O D. 30; 21